/* ── Apple-inspired minimal aesthetic ─────────────────────────── */
:root {
  --bg:           #f5f5f7;
  --surface:      #ffffff;
  --text:         #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary:  #86868b;
  --border:       rgba(0, 0, 0, 0.06);
  --shadow:       0 2px 16px rgba(0, 0, 0, 0.06);
  --radius:       18px;
  --radius-sm:    12px;
  --accent:       #007aff;
}

/* page */
.gradio-container {
  max-width: 1080px !important;
  margin: 0 auto !important;
  background: var(--bg) !important;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Helvetica Neue", sans-serif !important;
  color: var(--text) !important;
  padding: 32px 24px 48px !important;
}

/* header */
.page-top {
  position: relative;
  margin-bottom: 28px;
}
.page-top .block.lang-select {
  position: absolute !important;
  top: 0;
  right: 0;
  width: auto !important;
  min-width: 148px !important;
  max-width: 168px !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 3;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}
.page-top .lang-select label {
  display: none !important;
}
.page-top .lang-select .wrap,
.page-top .lang-select select,
.page-top .lang-select input {
  min-height: 32px !important;
  font-size: 13px !important;
}
.app-header {
  text-align: center;
  margin-bottom: 0;
}
.app-header .eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 8px;
}
.app-header h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
  color: var(--text);
}
.app-header .subtitle {
  font-size: 17px;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* cards / panels */
.gr-box, .gr-panel, .block, .wrap {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.gr-row {
  gap: 24px !important;
}

.main-row--empty {
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0 !important;
}
.main-row--empty > .gr-column,
.main-row--empty > .block {
  width: 100% !important;
  max-width: 520px !important;
  flex: 0 0 auto !important;
}
.main-row--empty .left-col,
.main-row--empty .right-col {
  max-width: 520px;
}
.main-row--empty .dim-empty {
  padding: 28px 20px;
}
.main-row--empty .upload-hint {
  text-align: center;
  margin: -4px 0 8px !important;
}
.main-row--ready .upload-hint {
  margin-top: 0 !important;
}
.main-row--ready {
  flex-direction: row !important;
  align-items: flex-start !important;
}
.main-row--ready > .gr-column {
  max-width: none !important;
}

.intro-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin: 0 0 24px;
}
.intro-head h2 {
  font-size: 18px;
  font-weight: 650;
  color: var(--text);
  margin: 0 0 8px;
}
.intro-body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 12px;
}
.intro-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
}
.intro-list li {
  margin: 6px 0;
  line-height: 1.5;
}

/* image upload — clean white card */
.gr-image {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow) !important;
  overflow: hidden !important;
}
.gr-image .image-container,
.gr-image .upload-container {
  background: var(--surface) !important;
  border: none !important;
  min-height: 420px !important;
}
.gr-image .upload-container {
  border: 2px dashed rgba(0, 0, 0, 0.08) !important;
  border-radius: var(--radius-sm) !important;
}
.upload-hint, .upload-hint-md p {
  text-align: center;
  font-size: 13px !important;
  color: var(--text-tertiary) !important;
  margin-top: 8px !important;
}

/* LAION score card */
.score-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  margin-bottom: 20px;
}
.score-card.sidebar {
  padding: 20px 22px;
  margin-top: 4px;
  margin-bottom: 12px;
}
.score-card.sidebar .score-value {
  font-size: 44px;
}
.score-card.sidebar.hue-card {
  padding: 16px 18px 18px;
  margin-bottom: 8px;
}
.score-card.sidebar.hue-card.empty .score-hint {
  padding: 16px 0 8px;
}
.hue-figure {
  margin: 8px 0 0;
}
.hue-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  background: #fafafa;
}
.hue-caption {
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-tertiary);
  margin: 10px 0 0;
}
.score-card.empty .score-hint {
  font-size: 15px;
  color: var(--text-tertiary);
  padding: 24px 0;
}
.score-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.score-value {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}
.score-sub {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}
.score-bar-track {
  height: 6px;
  background: #e8e8ed;
  border-radius: 3px;
  overflow: hidden;
}
.score-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* dimension panel */
.dim-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
}
.dim-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.dim-disclaimer {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-tertiary);
  margin: 0 0 18px;
}
.dim-disclaimer em {
  font-style: italic;
}
.dim-level {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 6px;
}
.dim-source {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  font-size: 12px;
}
.dim-row {
  margin-bottom: 22px;
}
.dim-row:last-child {
  margin-bottom: 0;
}
.dim-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.dim-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.dim-pct {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.dim-bar-track {
  height: 8px;
  background: #e8e8ed;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}
.dim-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.dim-interpret {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-secondary);
  margin: 0 0 8px;
}
.sub-metrics {
  display: grid;
  gap: 8px;
  margin-bottom: 8px;
  padding: 10px 12px;
  background: #fafafa;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.sub-metric {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
}
.sub-label {
  font-size: 12px;
  color: var(--text-secondary);
}
.sub-pct {
  font-size: 12px;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}
.sub-bar-track {
  grid-column: 1 / -1;
  height: 4px;
  background: #e8e8ed;
  border-radius: 2px;
  overflow: hidden;
}
.sub-bar-fill {
  height: 100%;
  border-radius: 2px;
}
.dim-rationale {
  font-size: 14px;
  line-height: 1.45;
  color: var(--text-secondary);
  margin: 0;
}
.dim-empty {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 15px;
}

/* diagnostic maps */
.viz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.viz-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.viz-card img {
  display: block;
  width: 100%;
  height: auto;
  background: #1d1d1f;
}
.viz-card figcaption {
  padding: 10px 12px 12px;
}
.viz-card figcaption strong {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 2px;
}
.viz-card figcaption span {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.35;
}
.viz-empty {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
  padding: 24px;
}

/* depth layer separation */
.depth-panel {
  padding: 4px 0 8px;
}
.depth-note {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-secondary);
  margin: 0 0 12px;
}
.depth-note code {
  font-family: "SF Mono", "Menlo", monospace;
  font-size: 12px;
  background: #f0f0f2;
  padding: 2px 6px;
  border-radius: 6px;
}
.depth-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.depth-stats strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.depth-grid {
  margin-top: 4px;
}

/* unified visual analysis sections */
.visual-analysis {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.viz-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.viz-section-desc {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-tertiary);
  margin: 0 0 14px;
}
.viz-section + .viz-section {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.depth-error {
  color: #ff3b30;
}

/* accordion / json */
.gr-accordion {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow) !important;
  margin-top: 20px !important;
}
.gr-accordion > .label-wrap {
  background: transparent !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: var(--text-secondary) !important;
}
pre.json-raw, .json-raw {
  background: #fafafa !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  font-family: "SF Mono", "Menlo", monospace !important;
  font-size: 12px !important;
  color: var(--text) !important;
  padding: 14px 16px !important;
  margin: 0 !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  max-height: 320px;
  overflow: auto;
}
.json-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.json-toolbar {
  display: flex;
  justify-content: flex-end;
}
.json-copy-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.json-copy-btn:hover {
  background: #f5f5f7;
  color: var(--text);
  border-color: rgba(0, 0, 0, 0.1);
}
.json-copy-btn.copied {
  color: #34c759;
  border-color: rgba(52, 199, 89, 0.35);
  background: rgba(52, 199, 89, 0.08);
}

.log-status {
  font-size: 13px;
  line-height: 1.45;
  margin: 0 0 12px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fafafa;
  color: var(--text-secondary);
}
.log-status.saved {
  background: rgba(52, 199, 89, 0.08);
  border-color: rgba(52, 199, 89, 0.25);
  color: #248a3d;
}
.log-status.warn {
  background: rgba(255, 59, 48, 0.06);
  border-color: rgba(255, 59, 48, 0.2);
  color: #c9342b;
}
textarea, .gr-text-input textarea {
  background: #fafafa !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  font-family: "SF Mono", "Menlo", monospace !important;
  font-size: 12px !important;
  color: var(--text) !important;
}

/* footer */
footer {
  opacity: 0.5;
}